A ragtag gang of Irish bank robbers from Montreal rose to become one of North America's most feared criminal organizations. A ragtag gang of Irish bank robbers from Montreal rose to become one of North America's most feared criminal organizations. A ragtag gang of Irish bank robbers from Montreal rose to become one of North America's most feared criminal organizations. A ragtag gang of Irish bank robbers from Montreal rose to become one of North America's most feared criminal organizations.